diff --git a/markets/storageadapter/provider.go b/markets/storageadapter/provider.go
index 4e361cf1c..dcfcdcbcf 100644
--- a/markets/storageadapter/provider.go
+++ b/markets/storageadapter/provider.go
@@ -38,6 +38,7 @@ import (
 
 var addPieceRetryWait = 5 * time.Minute
 var addPieceRetryTimeout = 6 * time.Hour
+var defaultMaxProviderCollateralMultiplier = uint64(2)
 var log = logging.Logger("storageadapter")
 
 type ProviderNodeAdapter struct {
@@ -51,12 +52,13 @@ type ProviderNodeAdapter struct {
 
 	dealPublisher *DealPublisher
 
-	addBalanceSpec *api.MessageSendSpec
-	dsMatcher      *dealStateMatcher
-	scMgr          *SectorCommittedManager
+	addBalanceSpec              *api.MessageSendSpec
+	maxDealCollateralMultiplier uint64
+	dsMatcher                   *dealStateMatcher
+	scMgr                       *SectorCommittedManager
 }
 
-func NewProviderNodeAdapter(fc *config.MinerFeeConfig) func(mctx helpers.MetricsCtx, lc fx.Lifecycle, dag dtypes.StagingDAG, secb *sectorblocks.SectorBlocks, full api.FullNode, dealPublisher *DealPublisher) storagemarket.StorageProviderNode {
+func NewProviderNodeAdapter(fc *config.MinerFeeConfig, dc *config.DealmakingConfig) func(mctx helpers.MetricsCtx, lc fx.Lifecycle, dag dtypes.StagingDAG, secb *sectorblocks.SectorBlocks, full api.FullNode, dealPublisher *DealPublisher) storagemarket.StorageProviderNode {
 	return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, dag dtypes.StagingDAG, secb *sectorblocks.SectorBlocks, full api.FullNode, dealPublisher *DealPublisher) storagemarket.StorageProviderNode {
 		ctx := helpers.LifecycleCtx(mctx, lc)
 
@@ -73,6 +75,10 @@ func NewProviderNodeAdapter(fc *config.MinerFeeConfig) func(mctx helpers.Metrics
 		if fc != nil {
 			na.addBalanceSpec = &api.MessageSendSpec{MaxFee: abi.TokenAmount(fc.MaxMarketBalanceAddFee)}
 		}
+		na.maxDealCollateralMultiplier = defaultMaxProviderCollateralMultiplier
+		if dc != nil {
+			na.maxDealCollateralMultiplier = dc.MaxProviderCollateralMultiplier
+		}
 		na.scMgr = NewSectorCommittedManager(ev, na, &apiWrapper{api: full})
 
 		return na
@@ -257,7 +263,11 @@ func (n *ProviderNodeAdapter) DealProviderCollateralBounds(ctx context.Context,
 		return abi.TokenAmount{}, abi.TokenAmount{}, err
 	}
 
-	return bounds.Min, bounds.Max, nil
+	// The maximum amount of collateral that the provider will put into escrow
+	// for a deal is calculated as a multiple of the minimum bounded amount
+	max := types.BigMul(bounds.Min, types.NewInt(n.maxDealCollateralMultiplier))
+
+	return bounds.Min, max, nil
 }
 
 // TODO: Remove dealID parameter, change publishCid to be cid.Cid (instead of pointer)
diff --git a/node/builder.go b/node/builder.go
index 0766d934a..5e12cafbe 100644
--- a/node/builder.go
+++ b/node/builder.go
@@ -408,7 +408,7 @@ var MinerNode = Options(
 	Override(new(dtypes.StorageDealFilter), modules.BasicDealFilter(nil)),
 	Override(new(storagemarket.StorageProvider), modules.StorageProvider),
 	Override(new(*storageadapter.DealPublisher), storageadapter.NewDealPublisher(nil, storageadapter.PublishMsgConfig{})),
-	Override(new(storagemarket.StorageProviderNode), storageadapter.NewProviderNodeAdapter(nil)),
+	Override(new(storagemarket.StorageProviderNode), storageadapter.NewProviderNodeAdapter(nil, nil)),
 	Override(HandleMigrateProviderFundsKey, modules.HandleMigrateProviderFunds),
 	Override(HandleDealsKey, modules.HandleDeals),
 
@@ -567,7 +567,7 @@ func ConfigStorageMiner(c interface{}) Option {
 			Period:         time.Duration(cfg.Dealmaking.PublishMsgPeriod),
 			MaxDealsPerMsg: cfg.Dealmaking.MaxDealsPerPublishMsg,
 		})),
-		Override(new(storagemarket.StorageProviderNode), storageadapter.NewProviderNodeAdapter(&cfg.Fees)),
+		Override(new(storagemarket.StorageProviderNode), storageadapter.NewProviderNodeAdapter(&cfg.Fees, &cfg.Dealmaking)),
 
 		Override(new(sectorstorage.SealerConfig), cfg.Storage),
 		Override(new(*storage.AddressSelector), modules.AddressSelector(&cfg.Addresses)),
diff --git a/node/config/def.go b/node/config/def.go
index 3be773367..9019a3f19 100644
--- a/node/config/def.go
+++ b/node/config/def.go
@@ -54,6 +54,9 @@ type DealmakingConfig struct {
 	// The maximum number of deals to include in a single PublishStorageDeals
 	// message
 	MaxDealsPerPublishMsg uint64
+	// The maximum collateral that the provider will put up against a deal,
+	// as a multiplier of the minimum collateral bound
+	MaxProviderCollateralMultiplier uint64
 
 	Filter          string
 	RetrievalFilter string
@@ -214,9 +217,10 @@ func DefaultStorageMiner() *StorageMiner {
 			ConsiderUnverifiedStorageDeals: true,
 			PieceCidBlocklist:              []cid.Cid{},
 			// TODO: It'd be nice to set this based on sector size
-			ExpectedSealDuration:  Duration(time.Hour * 24),
-			PublishMsgPeriod:      Duration(time.Hour),
-			MaxDealsPerPublishMsg: 8,
+			ExpectedSealDuration:            Duration(time.Hour * 24),
+			PublishMsgPeriod:                Duration(time.Hour),
+			MaxDealsPerPublishMsg:           8,
+			MaxProviderCollateralMultiplier: 2,
 		},
 
 		Fees: MinerFeeConfig{